Process Control and Instrumentation Routh test Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Increasing the diameter of the tube Accounting for the tube expansion Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Increasing the diameter of the tube Accounting for the tube expansion Using steel tube in place of glass tube Filling nitrogen under pressure in the stem ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Pitot tube Venturimeter Hot wire anemometer Rotameter Pitot tube Venturimeter Hot wire anemometer Rotameter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire. No change Increase Decrease Exponential decrease No change Increase Decrease Exponential decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In Bode plot, Φ vs ω is plotted on a/an __________ graph paper. Semi-log Ordinary Triangular Log-log Semi-log Ordinary Triangular Log-log ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Iron-constantan Either A, B or C Platinum-platinum+rhodium Chromel-alumel Iron-constantan Either A, B or C Platinum-platinum+rhodium Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
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